Quick answers
- Which hospitals does Steven P. Posner work at?
- Medicare's official clinician data lists Steven P. Posner at 1 hospital: AHMC Anaheim Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Steven P. Posner see patients?
- Medicare's clinician data lists 3 practice locations, including Anaheim, CA, Garden Grove, CA and Los Angeles, CA. Call before your visit to confirm the address.
- What is Steven P. Posner's specialty?
- Medicare lists Vascular Surgery as the primary specialty.
- Does Steven P. Posner accept Medicare assignment?
- Yes. Medicare's clinician data says Steven P. Posner accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Steven P. Posner?
- (714) 534-1680, as listed in official Medicare / NPI Registry data.
- What is Steven P. Posner's NPI number?
- 1083684872. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Steven P. Posner works
Medicare's Facility Affiliation Data lists Steven P. Posner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AHMC Anaheim Regional Medical CenterAnaheim, CA · Acute Care Hospital · CCN 050226
Practice locations
Addresses where Steven P. Posner is enrolled with Medicare (CMS data updated 2026-10-02).
- 1111 W La Palma AveAnaheim, CA 92801 (714) 534‑1680
- 12827 Harbor Blvd, Suite G1Garden Grove, CA 92840 (714) 543‑1680
- 1660 W 3rd StLos Angeles, CA 90017 (213) 201‑0850
Group practices
Medicare enrollment lists Steven P. Posner as a member of these groups (CMS data updated 2026-10-02).
- Pacific Vascucare, Inc.4 clinicians in the group
- Orange County Vascular Access a Medical Corporation3 clinicians in the group
Specialties
- Vascular Surgeryprimary
Other vascular surgeons in Anaheim
Clinicians with the same Medicare primary specialty in Anaheim, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York At Buffalo School Of Medicine |
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1083684872 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians